Day A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.
Night A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. Calm wind.
Includes the Counties: Madison County Il,
Saint Clair County Il,
Monroe County Il,
Saint Charles County Mo,
Saint Louis County Mo,
Saint Louis City County Mo,
Jefferson County Mo,
Including The Cities Of Alton, Edwardsville, Belleville, Cahokia,
Saint Charles, And Saint Louis